var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var ejs = require('ejs');

var index = require('./routes/index');
var users = require('./routes/users');
var goods = require('./routes/goods');

var app = express();

// view engine setup
app.set('views', path.join(__dirname, 'views'));
//app.set('view engine', 'jade');
app.engine('.html', ejs.__express);
app.set('view engine', 'html');

// uncomment after placing your favicon in /public
//app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({
	extended: false
}));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

//登录拦截
app.use(function(req, res, next) {
	if(req.cookies.userId) {
		next();
	} else {
		console.log(`path:${req.path} originalUrl:${req.originalUrl}`)
		if(req.originalUrl == '/users/login' || req.originalUrl == '/users/logout' || req.path == '/goods/list') {
			next();
		} else {
			res.json({
				status: '10001',
				msg: '当前未登录',
				result: ''
			})
		}
	}
})

app.use('/', index);
app.use('/users', users);
app.use('/goods', goods);

// catch 404 and forward to error handler
app.use(function(req, res, next) {
	var err = new Error('Not Found');
	err.status = 404;
	next(err);
});

// error handler
app.use(function(err, req, res, next) {
	// set locals, only providing error in development
	res.locals.message = err.message;
	res.locals.error = req.app.get('env') === 'development' ? err : {};

	// render the error page
	res.status(err.status || 500);
	res.render('error');
});

module.exports = app;